PDF malware analysis — malicious · 04fd91a3dc49bf04

MALICIOUS

PDF

42.7 KB Created: 2021-05-19 01:34:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 3da7e73d35374ca0b8b1d43b896d1dc1 SHA-1: 0d52c798294de5dd431a0bdb9539a9bad82f8e99 SHA-256: 04fd91a3dc49bf04e237617e75f52cad2a00783646b05bed5587c7efe7aab19c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document exhibits characteristics of a malicious lure, likely intended to drive traffic to external sites offering game-related cheats or currency. The presence of a large number of embedded external links, coupled with a machine learning classifier's high confidence score, strongly suggests malicious intent. The document body contains a call-to-action phrase and a primary URL, indicating a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://netcdn.xyz/app/431946152/free-roblox-clothes-for-your-avatar-game-hack
- https://www.sonestad.se/library/repository/roblox-hacks-2021_GM431946152.pdf
- https://www.sonestad.se/library/repository/pig-master-free-spins-and-coins_GM406889139.pdf
- https://www.sonestad.se/library/repository/scary-larry-roblox_GM431946152.pdf
- https://www.sonestad.se/library/repository/how-to-make-robux-on-roblox_GM431946152.pdf
- https://www.sonestad.se/library/repository/coin-master-hack-tool-ios_GM406889139.pdf
- https://www.sonestad.se/library/repository/free-robux-without-human-verification-2021_GM431946152.pdf
- https://www.sonestad.se/library/repository/free-mods-for-minecraft-pe_GM479516143.pdf
- https://www.sonestad.se/library/repository/free-daily-spins-coin-master-2021_GM406889139.pdf
- https://www.sonestad.se/library/repository/freespins-coin-master_GM406889139.pdf
- https://www.sonestad.se/library/repository/coin-master-70-spin-link-today_GM406889139.pdf
- https://www.sonestad.se/library/repository/free-robux-2021-no-human-verification_GM431946152.pdf
- https://www.sonestad.se/library/repository/coin-master-hack-2021_GM406889139.pdf
- https://www.sonestad.se/library/repository/minecraft-pocket-edition-free-apk_GM479516143.pdf
- https://www.sonestad.se/library/repository/free-spin-coin-master-2021-link_GM406889139.pdf
- https://www.sonestad.se/library/repository/hack-coin-master-apk-2021_GM406889139.pdf
- https://www.sonestad.se/library/repository/master-free-spin-and-coin-link_GM406889139.pdf
- https://www.sonestad.se/library/repository/how-to-legally-get-free-spins-in-coin-master_GM406889139.pdf
- https://www.sonestad.se/library/repository/coin-master-mod-apk-free-download-for-android_GM406889139.pdf
- https://www.sonestad.se/library/repository/can-i-hack-coin-master-with-lucky-patcher_GM406889139.pdf
- https://www.sonestad.se/library/repository/get-free-robux-without-human-verification_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000049a0.bin` `0972d1dac10a1323c1dabbee8bf5557ff83767632122db2dc1b1a81f5b40ad6c`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49A0	24868 bytes
`font_01_sfnt_off000082a9.bin` `1761c8fbdaafa52a42c2d9c8dd0fbea25e5bec314d4deea8139da4bd569234ce`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82A9	18860 bytes

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